| 摘要 |
PURPOSE:To provide a rare earth magnet material capable of securing superior magnetic properties and temp. characteristics even if no hydrogen is contained. CONSTITUTION:The material is composed essentially of ThMn12 type tetragonal phase and has a composition represented by a general formula RxFe(1-x-y-z)MyLx, where R consists of rare earth metals including at least one element among Nd, Pr, and Ce, M consists of at least one element among Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Ni, Pd, Cu, Ag, Zn, Mg, B, Al, Ga, In, Si, and Sn, L consists of N or C, and the symbols (x), (y), and (z) stand for, by atom, 3-12%, 1-25%, and 2-20%, respectively. Further, if necessary, a part of Fe is substituted by Co in the amount of <=40 atmic % of the total content. |
